发明名称 CLEANER FOR USE IN SEMICONDUCTOR EQIUPMENT
摘要 A cleaning apparatus of semiconductor manufacturing equipment is provided to restrain the degradation of a polishing pad and to remove effectively a predetermined layer from a wafer by using spraying nozzles capable of supplying a cleaning solution onto the polishing pad from center to edge. A cleaning apparatus includes a rotatable arm, a plurality of first nozzles and a second nozzle. The rotatable arm(204) is installed over a polishing pad. The plurality of first nozzles(206) are attached to a lower portion of the arm in a length direction in order to spray a predetermined fluid to the polishing pad. The second nozzle(208) for spraying the fluid to even the center of the polishing pad is attached to an outer end of the arm.
申请公布号 KR20050026766(A) 申请公布日期 2005.03.16
申请号 KR20030062888 申请日期 2003.09.09
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 HAN, OH YUN;KIM, JONG BOK;SUNG, SOON HWAN
分类号 H01L21/304;(IPC1-7):H01L21/304 主分类号 H01L21/304
代理机构 代理人
主权项
地址